Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC3EMS callsign genealogy
Currently held by Bloomberg, Jon J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC3EMS's current licensee, walking backwards.
- Bloomberg, Jon JNYgranted 2010-02-01cancelled 2010-02-19
Successor callsigns
Callsigns held now by people who previously held KC3EMS.
No current licensee on record previously held this callsign.